Home / 107,720.66-161,581.80-37,600.04

Finding the Fourth Proportional to 107,720.66, 161,581.80 and 37,600.04

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Solution

The fourth proportional to 107,720.66, 161,581.80 and 37,600.04 is: 56,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.66 : 161,581.80 = 37,600.04 : x
  2. Step 2: Convert to fraction form
    107,720.66/161,581.80 = 37,600.04/x
  3. Step 3: Cross multiply
    107,720.66x = 161,581.80 × 37,600.04
  4. Step 4: Simplify right side
    107,720.66x = 6,075,482,143.27
  5. Step 5: Solve for x
    x = 6,075,482,143.27/107,720.66
  6. Step 6: Final answer
    x = 56,400.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.